Nutrition MCQs Online Test Questions And Answers
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Get ready to enhance your knowledge of nutrition with our Nutrition MCQs Online Test! This test is specifically designed for students, health professionals, and anyone interested in learning more about the essentials of nutrition. Whether you are preparing for an exam or looking to improve your dietary recommendations, this test will provide you with valuable insights.
Our food and nutrition MCQs online test covers a wide range of topics, from the basics of vitamins and minerals to more complex concepts like metabolic pathways and dietary planning. Each question is crafted to challenge your understanding and help you master the subject Read morematterTake our quiz and move one step closer to achieving your health and education goals!
Nutrition MCQs Online Test Questions and Answers
- 1.
What is a measure of the energy you get from food?
- A.
Fiber
- B.
Calorie
- C.
Trans-Fat
- D.
Carbohydrate
Correct Answer
B. CalorieExplanation
A calorie is a measure of the energy that is obtained from food. It represents the amount of energy required to raise the temperature of one gram of water by one degree Celsius. Therefore, when we consume food, the calories in that food provide us with the energy needed for various bodily functions, such as metabolism, physical activity, and growth.Rate this question:
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- 2.
Which vitamin is important to eyesight?
- A.
Vitamin A
- B.
Vitamin B
- C.
Vitamin C
- D.
Vitamin D
Correct Answer
A. Vitamin AExplanation
Vitamin A is important for eyesight because it plays a crucial role in maintaining the health of the retina, which is the part of the eye responsible for detecting light and color. It helps in the production of a pigment called rhodopsin, which is necessary for proper vision in low-light conditions. Additionally, vitamin A also supports the overall health of the cornea, the clear outer layer of the eye. A deficiency in vitamin A can lead to a condition called night blindness, where it becomes difficult to see in dim light.Rate this question:
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- 3.
What is the recommended daily serving for the fruit group?
- A.
5.5 ounces
- B.
6 ounces
- C.
2 cups
- D.
2.5 cups
- E.
3 cups
Correct Answer
C. 2 cupsExplanation
The recommended daily serving for the fruit group is 2 cups. This means that individuals should aim to consume 2 cups of fruits per day in order to meet their nutritional needs. Fruits are a valuable source of essential vitamins, minerals, and dietary fiber, which are important for maintaining overall health. Consuming an adequate amount of fruits can help prevent chronic diseases and promote a balanced diet.Rate this question:
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- 4.
What mineral is found in dairy products and helps build strong bone?
- A.
Flouride
- B.
Calcium
- C.
Zinc
- D.
Copper
Correct Answer
B. CalciumExplanation
Calcium is the mineral found in dairy products that helps build strong bones. Calcium is an essential nutrient for bone health and is necessary for the formation and maintenance of strong bones and teeth. It plays a crucial role in bone development and growth, especially during childhood and adolescence. Dairy products such as milk, cheese, and yogurt are rich sources of calcium, making them an important part of a balanced diet for maintaining strong bones and preventing conditions like osteoporosis.Rate this question:
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- 5.
What eating disorder involves starvation and obsession with calorie intake?
- A.
Anorexia
- B.
Bulimia
- C.
Compulsive Eating
- D.
Binge Eating
Correct Answer
A. AnorexiaExplanation
Anorexia is an eating disorder that involves extreme restriction of food intake and an obsession with calorie intake. People with anorexia have a distorted body image and an intense fear of gaining weight, leading them to severely limit their food intake, often to the point of starvation. This disorder is characterized by a relentless pursuit of thinness, even when individuals are significantly underweight.Rate this question:
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- 6.
People with which disease must carefully monitor and regulate their blood sugar levels?
- A.
Osteoporosis
- B.
Obesity
- C.
Cancer
- D.
Diabetes
Correct Answer
D. DiabetesExplanation
People with diabetes must carefully monitor and regulate their blood sugar levels because diabetes is a condition characterized by high blood sugar levels. Failure to manage blood sugar levels can lead to various complications such as heart disease, kidney damage, nerve damage, and vision problems. Therefore, individuals with diabetes need to regularly monitor their blood sugar levels, take medications as prescribed, follow a healthy diet, and engage in regular physical activity to keep their blood sugar levels within a target range.Rate this question:
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- 7.
What measure can be used to determine if a person's weight is healthy?
- A.
Exercise
- B.
Body Image
- C.
Body Mass Index (BMI)
- D.
Calories
Correct Answer
C. Body Mass Index (BMI)Explanation
Body Mass Index (BMI) is a measure that calculates a person's weight in relation to their height. It is widely used to determine if a person's weight is healthy or not. BMI provides a numerical value that indicates whether a person is underweight, normal weight, overweight, or obese. By comparing an individual's BMI to the standard BMI ranges, healthcare professionals can assess the level of risk associated with their weight and provide appropriate recommendations or interventions. Therefore, BMI is a reliable measure to determine if a person's weight is healthy.Rate this question:
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- 8.
1/4 of a cup of dried fruit or nuts can be represented by which common sporting item?
- A.
Tennis Ball
- B.
Golf Ball
- C.
Bowling Ball
- D.
Baseball
Correct Answer
B. Golf BallExplanation
A golf ball is a common sporting item that is approximately the same size as 1/4 cup of dried fruit or nuts. This comparison helps to visualize the amount of dried fruit or nuts and gives a reference point for measurement when portioning out snacks or ingredients for recipes. It can also be useful when trying to estimate serving sizes for healthier snacking options. Additionally, understanding the size of a golf ball can assist in controlling portion sizes and avoiding overeating.Rate this question:
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- 9.
A deck of cards is a guideline for portion size of what food group?
- A.
Grains
- B.
Fruits
- C.
Vegetables
- D.
Meat
Correct Answer
D. MeatExplanation
A deck of cards is a guideline for portion size of meat. This comparison is often used to help individuals visualize the appropriate serving size of meat, which is typically about the size of a deck of cards. This portion size recommendation is important for maintaining a balanced diet and ensuring that one does not consume excessive amounts of meat, which can be high in saturated fat and calories.Rate this question:
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- 10.
Which vitamin is found in oranges and helps prevent colds?
- A.
Vitamin A
- B.
Vitamin B
- C.
Vitamin C
- D.
Vitamin D
Correct Answer
C. Vitamin CExplanation
Vitamin C is found in oranges and is known for its immune-boosting properties. It helps prevent colds by enhancing the production of white blood cells, which are essential for fighting off infections. Additionally, vitamin C acts as an antioxidant, protecting cells from damage caused by harmful free radicals. Therefore, consuming oranges or other foods rich in vitamin C can help strengthen the immune system and reduce the risk of catching a cold.Rate this question:
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- 11.
Which of the following is a good source of healthy fats?
- A.
Butter
- B.
Avocado
- C.
Fried foods
- D.
Processed snacks
Correct Answer
B. AvocadoExplanation
Avocado is a great source of healthy monounsaturated fats. These fats are beneficial for heart health, helping to lower bad cholesterol levels and reduce the risk of heart disease. Unlike saturated fats found in butter and trans fats found in fried and processed foods, monounsaturated fats contribute to overall well-being. Avocados also provide other essential nutrients like fiber, potassium, and vitamins, making them a nutrient-dense choice for incorporating healthy fats into your diet. They can be enjoyed in various ways, from adding them to salads and sandwiches to making guacamole.Rate this question:
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- 12.
What is the primary function of carbohydrates in the body?
- A.
Build muscle
- B.
Provide energy
- C.
Transport oxygen
- D.
Regulate body temperature
Correct Answer
A. Build muscleExplanation
Carbohydrates are the body's main source of energy. When you eat carbohydrates, your body breaks them down into glucose, a type of sugar that your cells use for fuel. This energy is essential for everything from physical activity to basic bodily functions like breathing and thinking. While protein helps build muscle and fats provide long-term energy, carbohydrates are the quickest and most readily available source of energy for daily activities. Choosing complex carbohydrates like whole grains, fruits, and vegetables over simple carbohydrates like refined sugars is important for sustained energy release and overall health.Rate this question:
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- 13.
Which nutrient is essential for building and repairing tissues?
- A.
Carbohydrates
- B.
Protein
- C.
Vitamins
- D.
Minerals
Correct Answer
A. CarbohydratesExplanation
Protein is crucial for building and repairing tissues in the body. It's the building block of muscles, organs, skin, hair, and nails. From growth and development in childhood to maintaining and repairing tissues throughout life, protein plays a vital role. When you consume protein, your body breaks it down into amino acids, which are then used to create new proteins where needed. Good sources of protein include lean meats, poultry, fish, eggs, beans, lentils, and dairy products. Getting enough protein in your diet is essential for maintaining a healthy body composition and supporting various bodily functions.Rate this question:
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- 14.
What is the role of fiber in the diet?
- A.
Provides quick energy
- B.
Aids digestion
- C.
Builds strong bones
- D.
Boosts the immune system
Correct Answer
B. Aids digestionExplanation
Fiber plays a crucial role in aiding digestion. It adds bulk to the stool, making it easier to pass through the digestive tract and preventing constipation. There are two types of fiber: soluble and insoluble. Soluble fiber dissolves in water and can help lower cholesterol levels, while insoluble fiber doesn't dissolve and primarily promotes regularity. Foods high in fiber include fruits, vegetables, whole grains, and legumes. A diet rich in fiber is not only beneficial for digestive health but also contributes to overall well-being by helping regulate blood sugar levels and promoting feelings of fullnessRate this question:
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- 15.
Which of the following is a good source of vitamin C?
- A.
Arrots
- B.
Oranges
- C.
Spinach
- D.
Almonds
Correct Answer
B. OrangesExplanation
Oranges are an excellent source of vitamin C, also known as ascorbic acid. Vitamin C is a water-soluble vitamin that plays a crucial role in immune function, collagen production, and wound healing. It's also a powerful antioxidant, protecting cells from damage caused by free radicals. Because vitamin C is not stored in the body, it's important to consume it regularly through foods like oranges, grapefruits, lemons, strawberries, and bell peppers. Getting enough vitamin C can help boost your immune system and keep you healthy.Rate this question:
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- 16.
Which mineral is important for oxygen transport in the blood?
- A.
Calcium
- B.
Iron
- C.
Potassium
- D.
Sodium
Correct Answer
B. IronExplanation
Iron is essential for oxygen transport in the blood. It's a key component of hemoglobin, the protein in red blood cells that carries oxygen from the lungs to the rest of the body. Without enough iron, your body can't produce enough hemoglobin, leading to iron deficiency anemia. Symptoms of anemia include fatigue, weakness, and shortness of breath. Good sources of iron include red meat, poultry, fish, beans, lentils, and leafy green vegetables. Consuming iron-rich foods along with vitamin C-rich foods can improve iron absorption.Rate this question:
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- 17.
What is the recommended daily intake of water?
- A.
Varies greatly depending on individual needs
- B.
8 glasses
- C.
4 glasses
- D.
10 glasses
Correct Answer
A. Varies greatly depending on individual needsExplanation
The recommended daily intake of water varies greatly depending on individual needs. Factors like activity level, climate, and overall health play a role in how much water a person needs. While the "8 glasses a day" guideline is a good starting point, some people may need more or less. It's important to listen to your body and drink when you're thirsty. Staying hydrated is essential for numerous bodily functions, including regulating body temperature, transporting nutrients, and flushing out waste products.Rate this question:
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- 18.
Which type of fat should be limited in the diet?
- A.
Monounsaturated fats
- B.
Polyunsaturated fats
- C.
Saturated fats
- D.
Omega-3 fatty acids
Correct Answer
C. Saturated fatsExplanation
Saturated fats should be limited in the diet. These fats are often found in animal products like red meat, butter, and cheese, as well as some plant-based oils like coconut oil and palm oil. Consuming too much saturated fat can raise bad cholesterol levels, increasing the risk of heart disease. It's recommended to replace saturated fats with healthier unsaturated fats, such as monounsaturated fats found in avocados and olive oil, and polyunsaturated fats found in nuts, seeds, and oily fishRate this question:
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- 19.
Which of the following is a good source of calcium?
- A.
Broccoli
- B.
Milk
- C.
Bananas
- D.
Apples
Correct Answer
B. MilkExplanation
Milk and other dairy products are excellent sources of calcium. Calcium is a vital mineral for building and maintaining strong bones and teeth. It also plays a role in muscle function, nerve transmission, and blood clotting. If you don't consume dairy, you can also get calcium from fortified plant-based milks, tofu, and leafy green vegetables like broccoli and kale. Getting enough calcium throughout life is important for preventing osteoporosis, a condition that weakens bones and increases the risk of fractures.Rate this question:
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- 20.
What is the role of antioxidants in the body?
- A.
Promote muscle growth
- B.
Protect cells from damage
- C.
Boost energy levels
- D.
Improve digestion
Correct Answer
A. Promote muscle growthExplanation
Antioxidants protect cells from damage caused by free radicals, which are unstable molecules that can contribute to aging and various diseases. Antioxidants neutralize free radicals, preventing them from harming cells. Many fruits and vegetables are rich in antioxidants, including vitamins C and E, as well as compounds like beta-carotene and flavonoids. Eating a diet rich in antioxidant-rich foods can help reduce the risk of chronic diseases like heart disease, cancer, and Alzheimer's disease.Rate this question:
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Feb 07, 2025Quiz Edited by
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Apr 03, 2010Quiz Created by
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